Difference between Environment, Ecology and Ecosystem

Ecology

  • The Etymology is oikos+ logy. Oikos means house or dwelling.
  • Ecology is the study of relationships and interactions of living organisms with other living organisms and its surrounding environment. Thus, it is the study of house of an organism (its environment + other fellow beings)

Thus, there are three things that we study in Ecology:

  1. Living organisms
  2. Relationship & interactions with other organisms. E.g. whether there is symbiotic relationship like rhizobium and legume plant roots, or Competition among herbivorous animals for food.
  3. Relationship & interactions with surrounding environment. It means how it responds to climate, soil, topography, water availability, atmosphere. e.g. Animals ....
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